Asbach, Lasse; Dorndorf, Ulrich; Pesch, Erwin - In: European Journal of Operational Research 193 (2009) 3, pp. 820-835
This paper describes a specific local search approach to solve a problem arising in logistics which we prove to be NP-hard. The problem is a complex scheduling or vehicle routing problem where we have to schedule the tours of concrete mixer vehicles over a working day from concrete-producing...